Home / 4,990.44-6,886.26-2,894.16

Finding the Fourth Proportional to 4,990.44, 6,886.26 and 2,894.16

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Solution

The fourth proportional to 4,990.44, 6,886.26 and 2,894.16 is: 3,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.44 : 6,886.26 = 2,894.16 : x
  2. Step 2: Convert to fraction form
    4,990.44/6,886.26 = 2,894.16/x
  3. Step 3: Cross multiply
    4,990.44x = 6,886.26 × 2,894.16
  4. Step 4: Simplify right side
    4,990.44x = 19,929,938.24
  5. Step 5: Solve for x
    x = 19,929,938.24/4,990.44
  6. Step 6: Final answer
    x = 3,993.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.